“…Relationship (Araujo and Neijens, 2012;Boyd and Ellison, 2008) The relationships revolve around a group of people you have already know or met Recommend specific peer-to-peer relationships Bound together by pre-established interpersonal relationship Allow members to find and establish their own relationships with common purpose or around a business objective, not individual connections Bound together by a common interest or topic (Galston, 1999) The groups of people probably have never met yet (Wellman, 1999) Any user can belong to multiple groups Common features People may not have any common interest People may have common language or shared racial, religious, or nationality-based identities (Boyd and Ellison, 2008) People bring together a cohesive group with common interest and profession (Galston, 1999) Experience flexibility Controlled Flexibility and options Users might develop a sense of belonging based on feelings of membership, influence, and value (David, 2011;Zhou, 2011) Delivery (Lin and Huang, 2013;Ho et al, 2012;Hsu and Lin, 2008) In general, top-down and group multicast mechanisms Allow members post and discuss The messages are aggregated into a type of community blog (Lin and Huang, 2013) Functionality (Chen et al, 2012;David, 2011;Lin and Huang, 2013;Ho et al, 2012;Hsu and Lin, 2008;Zhou, 2011) Keep contacting with friends and family A common platform supports users interacting with relations (Lea et al, 2006) The number of potential users and the number of data on users and their interactions are considerably high Access-specific groups based on a membership type or interest The action happens in groups rather than on individuals Use to obtain questions and answers as well as help others with a common interest Structure (Boyd and Ellison, 2008) A spider web-like network Characterised by a more complex overlapping and "nested" structure Identity without collaboration (Boyd and Ellison, 2008;du Plessis, 2005;Sexton and Tuckman, 1991) The creation of identity in the community without participation in discussion Identities can be built based on the display of memberships, which is made with the member's choices in forums (David, 2011;…”